package com.feishi.core.util.http;

/**
 * @version 1.0
 * @auth caixq
 * @time 17-12-20 17:19
 **/
public class DnsUtil {
    public static void main(String[] args) {
        System.out.println(java.security.Security.getProperty("networkaddress.cache.ttl"));
        Class clazz = java.net.InetAddress.class;
    }
}
